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HelicopterScale Model RC Helicopters › Electric driven tail
08-16-2016 10:43 AM  14 months agoPost 1
Viggen65

rrVeteran

Gothenburgh, Sweden

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Hello

Has anyone success fully managed to get the tail working with a electric motor on 700 sizes heli?

Couple of years ago i had a EC 665 that I converted to this system but sold it and the new owner havent managed to get it in the air since then because it behaves un trust able and lack tail authority when hovering.

Some years ago there was a company called Tf model that introduced this and upon theirs website was a video with 700 sized Black hawk hovering around with this system and there is where i also bought the conversion from.

Br

Jack

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08-16-2016 11:50 AM  14 months agoPost 2
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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Butch and evan has successfully done this on their comanches and I have seen others done. I am sure they will chime in with details.

drive a rotary, fly a rotorcraft

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08-16-2016 11:57 AM  14 months agoPost 3
Viggen65

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Gothenburgh, Sweden

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Thanks,would be appreciated

Br
Jack

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08-17-2016 09:11 AM  14 months agoPost 4
Andy01

rrApprentice

Brisbane, Australia

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Are you referring to a tail rotor with a separate electric motor driving it via a TT or similar, or having a smaller electric motor actually mounted directly on to the tail rotor shaft (ie. motor mounted right back in the tail) ?

I think CD may be referring to the former, as there has been a number of builds with motors mounted just behind the main mechanics, and TT back to the tail rotor or fenestron.

I seem to remember someone (I think on SRCH) fitting a smaller plank motor into the tail of a Blackhawk/Seahawk with a longer motor shaft and tail rotor directly mounted on the motor shaft. The main reason was to get the canted rotor of the full size. I can't remember who though. I think it was a couple of years ago.

Colin

Vario Long Ranger 700e
Seahawk 600
UH-1N 500
Baumann EC-145 800+ (coming soon )

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08-17-2016 09:37 AM  14 months agoPost 5
R.J.

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SF bay area, CA USA

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I seem to remember someone (I think on SRCH) fitting a smaller plank motor into the tail of a Blackhawk/Seahawk with a longer motor shaft and tail rotor directly mounted on the motor shaft. The main reason was to get the canted rotor of the full size. I can't remember who though. I think it was a couple of years ago.
Peter Wales

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08-17-2016 10:19 AM  14 months agoPost 6
CoachE

rrApprentice

Cincinnati, ohio -usa

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Hello jack

I love this setup. I am no where the level Butch is but I will help where I can. What are you flying and what is the rpm goal of the tail.

Evan

Team JR / Get !T - Got !T - Perfect !T

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08-17-2016 11:14 AM  14 months agoPost 7
Viggen65

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Gothenburgh, Sweden

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yes, motor mounted directly in the tail, im curious if you have any good set up advices, the heli is a Eurocopter Ec 665 Tiger from Roban for 600 sized mechs, it has the TF model scalemechanics and a separate electric motor on the tail, i have been offered to eventually buy it since the owner hasnt't managed to sort out the passive tail behaviour but still unshure if to proceed during this tail issue.It has a 3 bladed tailrotor and Tf model 4 blade head.

Best R
Jack

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08-17-2016 04:20 PM  14 months agoPost 8
CoachE

rrApprentice

Cincinnati, ohio -usa

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I need more information to give you a good answer. First is it running 1 or 2 esc's. Second. what kind of room are you working with with that model/ fuse.

Team JR / Get !T - Got !T - Perfect !T

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08-18-2016 09:27 AM  14 months agoPost 9
Andy01

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Brisbane, Australia

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No, I don't it was Peter Wales (at least it wasn't his I was thinking of - maybe he also did one ?).

I did a quick search, and it was a Roban 700 sized Jayhawk.

http://www.scalerchelis.com/phpBB2/...php?f=8&t=16573

Unfortunately the photos appear to have vanished - at least when I view it. You may be able to contact the builder and see if he still has the pics and info ?

Colin

Vario Long Ranger 700e
Seahawk 600
UH-1N 500
Baumann EC-145 800+ (coming soon )

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08-18-2016 05:31 PM  14 months agoPost 10
R.J.

rrVeteran

SF bay area, CA USA

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I was thinking of Peter Wales' Blackhawk:
http://scalehelicopters.org/blackhawk3.html

But I'm sure there have been others.

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